The rise of Google, the rise of Facebook, the rise of Apple, I think are proof that there is a place for computer science as something that solves problems that people face every day. ↗
People assume that computers will do everything that humans do. Not good. People are different from each other and they are all really different from computers. ↗
Some people must go to extremes to get the world in balance for themselves. Some can't bear bright lights, so wherever they go they search for the dark; they turn the lights down, anything to sustain some level of comfort. ↗
I think the international appeal of SF is quite understandable since the kinds of people who like to read it, are, by the nature of the beast, interested in other cultures, of which other nations on Earth are the closest available example. ↗
There may be something to the suggestion about the pace of technological change intimidating writers, though - it's been awfully hard to keep ahead of real developments. ↗
What SF can do better than anything else is show us the range of our possible futures, and what we can do to realize the good ones and avoid the nasty ones. ↗
When something hasn't been around much for a while, and one example of it turns up and catches people's eyes, they go looking for more like it - until they get tired of it again. ↗